hwmon: add tmp648 driver from Arista Networks

Ref: https://github.com/aristanetworks/sonic/blob/master/src/tmp468.c

Signed-off-by: Matt Ranostay <[email protected]>

Author: mranostay

drivers/hwmon/Kconfig

@@ -1703,6 +1703,16 @@ config SENSORS_TMP421
 	  This driver can also be built as a module.  If so, the module
 	  will be called tmp421.
 
+config SENSORS_TMP468
+	tristate "Texas Instruments TMP468 and compatible"
+	depends on I2C
+	help
+	  If you say yes here you get support for Texas Instruments TMP464,
+	  and TMP468 temperature sensor chips.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called tmp468.
+
 config SENSORS_VEXPRESS
 	tristate "Versatile Express"
 	depends on VEXPRESS_CONFIG

drivers/hwmon/Makefile

@@ -166,6 +166,8 @@ obj-$(CONFIG_SENSORS_TMP103)	+= tmp103.o
 obj-$(CONFIG_SENSORS_TMP108)	+= tmp108.o
 obj-$(CONFIG_SENSORS_TMP401)	+= tmp401.o
 obj-$(CONFIG_SENSORS_TMP421)	+= tmp421.o
+obj-$(CONFIG_SENSORS_TMP428)	+= tmp428.o
+obj-$(CONFIG_SENSORS_TMP468)	+= tmp468.o
 obj-$(CONFIG_SENSORS_VEXPRESS)	+= vexpress-hwmon.o
 obj-$(CONFIG_SENSORS_VIA_CPUTEMP)+= via-cputemp.o
 obj-$(CONFIG_SENSORS_VIA686A)	+= via686a.o